とりあえずwikipediaではこうなってる＞＜
Squall - Wikipedia
https://en.wikipedia.org/wiki/Squall
"A squall is a sudden, sharp increase in wind speed lasting minutes, as opposed to a wind gust, which lasts for only seconds.[1] They are usually associated with active weather, such as rain showers, thunderstorms, or heavy snow. ..."

Google翻訳＞＜
"スコールとは、数秒しか続かない突風とは対照的に、数分間続く突然の風速の急激な増加です。[1] スコールは通常、にわか雨、雷雨、大雪などの活発な天候に関連付けられます。"